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An inertial navigation system (INS; also inertial guidance system, inertial instrument) is a navigation device that uses motion sensors (accelerometers), rotation sensors and a computer to continuously calculate by dead reckoning the position, the orientation, and the velocity (direction and speed of movement) of a moving object without the ...
GPS/INS is commonly used on aircraft for navigation purposes. Using GPS/INS allows for smoother position and velocity estimates that can be provided at a sampling rate faster than the GPS receiver. This also allows for accurate estimation of the aircraft attitude (roll, pitch, and yaw) [citation needed] angles.
The LN-1 was a development attitude reference for the XB-70 Valkyrie. [6] The LN-1A was a precision attitude reference for the Grumman E-1A Tracer. [7] [8] The LN-2A (military designation AN/ASN-31 or −36) was a Doppler-inertial system for the A-6A Intruder; The LN-2B was the system for the E-2A Hawkeye, and the LN-2C was the system for the P ...
The AN/PSN-13 Defense Advanced GPS Receiver (DAGR; colloquially, "dagger") is a handheld GPS receiver used by the United States Department of Defense and select foreign military services. It is a military-grade, dual-frequency receiver, and has the security hardware necessary to decode the encrypted P(Y)-code GPS signals .
AN/AAD - Airborne Infrared Reconnaissance and Surveillance; Designation Purpose/Description Location/Used By Manufacturer AN/AAD-4: Forward Looking Infrared detection set: AC-119G Shadow
A choke ring antenna is a directional antenna designed for reception of GNSS signals from satellites. It consists of a number of concentric conductive cylinders around a central antenna. The first choke ring antennas were invented at JPL; [2] since 1989 they have been improved and extended by many companies. [citation needed]